Drawing-out needle for use in machines for drawing out threads from tissues



DRAWING-OUT NEEDLE FOR USE IN MACHINES FOR DRAWING-OUT THREADS FROM TISSUES Filed NOV. 2. 1927 Jan. 13, 193i K. MISCHKE I 3 9 7 40 of the cutter the machine P tented Jams, 1 ,9311" Sims A i 'KARL isorrxn, or zunror-ryswrrznnnenn, Ass renon mo' FIRM nunxoi rwnnxn AKTIENGESELLSCHAFT, F BIELEFELD,- GERMANY r 7 DRAWING-OUT N EDLE EoR'iIsE IN MAoiiINEs FOR nRA wI nG oU'r THREADS FROM: r .i TISSUES s I 1i Application filed November 2,119.27, Serial No..'230,510,tand in Germauy septemb er 8, 192e.

- Drawing-out needles used inmachines for lower wedge shaped portion of said needle drawing out threads from tissues and having serving as a pricker' upwardly inclined tothe shape of a wedgelike sawblade toothed ,Wardsthe rear side of the needle, and ofan at both its edges, are already knownheretoinclined projection on the upperedge of said i tore. Said needles require the use of a sepextension adapted; to lift any pressed-down arate p'riclrer for the purpose of preparing threads. i

the threads or the tissue-for the subsequent In testimony 'whereofI have hereuntoset 1 application of the drawing-out needle and my hand. v i i' A v Y7 thereby preventing anunintended removal 1 s KARL; MISGHKE 10 of'fals'e threads. I g l From this known art, the present inventionis distinguished by the drawing-out needle being at'its lower extremity formed like a pricker, that is wedge-shaped at its I g Y rear part and fitted at its rear top end with a I G5 downwardly inclined projection, for the puris V. j pose hereinafter set forth. 7 Y The accompanying drawing illustrates the 1 improved drawing-out needle in Figs. 1' and g g 1 E2 in a front view andin a side-view IQSPQC-N v r r i v I I v The drawing-out needle dis toothed at its lower edges 0 and beyond the latter exs tended to form at its lower extremity an in- 7 4 v v I tegral picker a, of whichthe rear part b v g a s I is wedge-shaped while its'rear top end vfacf i ing, the lower toothed-edges of the needle forms a downwardly inclined projection'c thereon. V .s .l V V V v- I 1 lVVhen using the needle, the threads ofthe y s tissue are parted by thepricker a and the 1 i 'I i v cross-threads are forcedback by the wedge b, so thatfthe teeth 6 of the needle dean reliablygrip the, longitudinal threads and g g r force the same downwards. By the inclined I w I g projection c' on the pricker a any crosss i s threads which might have been pressed I down areagain lifted, so that at the moment of cutting they are located beyond the path p a The improved needle has the advantage that a separate picker is dispensed with, the drawing-out of the threadscan be eli'e'oted in a reliable manner,'and a'cutting-ofi of cr0ss-. y y threads is securely'prevent'ed. f 1 {1, i

Nhat I claim, isz- V a I T v v The combination'with a drawing-outneeidle fonuse inrmachines for drawing-out threads from tissues having serrated wedgeshaped tapering edges, 'of an extension on the 

